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CVE-2017-5334

9.8 · CRITICAL

Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language…

Published Mar 24, 2017CWE-415EPSS 32.75%

Overview

CVE-2017-5334 is a critical-severity vulnerability. It was published on March 24, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2017-02/msg00005.htmlRefwww.openwall.com/lists/oss-security/2017/01/10/7Refwww.openwall.com/lists/oss-security/2017/01/11/4Refwww.securityfocus.com/bid/95370Refwww.securitytracker.com/id/1037576Refaccess.redhat.com/errata/RHSA-2017:2292Refgitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1bRefgnutls.org/security.html#GNUTLS-SA-2017-1Refsecurity.gentoo.org/glsa/201702-04Reflists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-5334?

CVE-2017-5334 is a critical-severity vulnerability. It was published on March 24, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2017-5334?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-5334?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-5334?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-5334 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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